On Thu, Jun 9, 2011 at 10:07 AM, Tom Lane <t...@sss.pgh.pa.us> wrote: > Robert Haas <robertmh...@gmail.com> writes: >> But now that I re-think about it, I guess what I'm confused about is >> this code here: > >> if (ch >= 'A' && ch <= 'Z') >> ch += 'a' - 'A'; >> else if (IS_HIGHBIT_SET(ch) && isupper(ch)) >> ch = tolower(ch); >> result[i] = (char) ch; > > The expected behavior there is that case-folding of non-ASCII characters > will occur in single-byte encodings but nothing will happen to > multi-byte characters. We are relying on isupper() to not return true > when presented with a character fragment in a multibyte locale.
Based on Jeevan's original message, it seems like that's not always the case, at least on Windows. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
